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/*******************************************************************************
* Copyright (c) 2011, 2012 Wind River Systems, Inc. and others. All rights reserved.
* This program and the accompanying materials are made available under the terms
* of the Eclipse Public License v1.0 which accompanies this distribution, and is
* available at http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Wind River Systems - initial API and implementation
*******************************************************************************/
package org.eclipse.tcf.te.ui.terminals.tabs;
import java.util.regex.Pattern;
import org.eclipse.core.runtime.Assert;
import org.eclipse.osgi.util.NLS;
import org.eclipse.swt.custom.CTabItem;
import org.eclipse.swt.widgets.Display;
import org.eclipse.tcf.te.ui.terminals.nls.Messages;
import org.eclipse.tm.internal.terminal.control.ITerminalListener;
import org.eclipse.tm.internal.terminal.provisional.api.TerminalState;
/**
* Terminals tab default terminal listener implementation.
*/
@SuppressWarnings("restriction")
public class TabTerminalListener implements ITerminalListener {
private final CTabItem tabItem;
/**
* Constructor.
*
* @param tabItem The parent tab item. Must not be <code>null</code>.
*/
public TabTerminalListener(CTabItem tabItem) {
super();
Assert.isNotNull(tabItem);
this.tabItem = tabItem;
}
/**
* Returns the associated parent tab item.
*
* @return The parent tab item.
*/
protected final CTabItem getTabItem() {
return tabItem;
}
/* (non-Javadoc)
* @see org.eclipse.tcf.internal.terminal.control.ITerminalListener#setState(org.eclipse.tcf.internal.terminal.provisional.api.TerminalState)
*/
@Override
public void setState(final TerminalState state) {
// The tab item must have been not yet disposed
final CTabItem item = getTabItem();
if (item == null || item.isDisposed()) return;
// Update the tab item title
item.getDisplay().asyncExec(new Runnable() {
@Override
public void run() {
String newTitle = getTerminalConsoleTabTitle(state);
if (newTitle != null) item.setText(newTitle);
}
});
}
// The pattern will not change over the session life-time
private static final Pattern TERMINAL_TITLE_TERMINATED_PATTERN = Pattern.compile(Messages.TabTerminalListener_consoleTerminated.replaceAll("\\{[0-9]+\\}", ".*")); //$NON-NLS-1$ //$NON-NLS-2$
/**
* Returns the title to set to the terminal console tab for the given state.
* <p>
* <b>Note:</b> This method is called from {@link #setState(TerminalState)} and
* is expected to by called within the UI thread.
*
* @param state The terminal state. Must not be <code>null</code>.
* @return The terminal console tab title to set or <code>null</code> to leave the title unchanged.
*/
protected String getTerminalConsoleTabTitle(TerminalState state) {
Assert.isNotNull(state);
Assert.isNotNull(Display.findDisplay(Thread.currentThread()));
// The tab item must have been not yet disposed
CTabItem item = getTabItem();
if (item == null || item.isDisposed()) return null;
// Get the current tab title
String oldTitle = item.getText();
// Construct the new title
String newTitle = null;
if (TerminalState.CLOSED.equals(state)) {
// Avoid multiple decorations of the closed state
if (!TERMINAL_TITLE_TERMINATED_PATTERN.matcher(oldTitle).matches()) {
newTitle = NLS.bind(Messages.TabTerminalListener_consoleTerminated, oldTitle);
} else {
newTitle = oldTitle;
}
}
return newTitle != null && !newTitle.equals(oldTitle) ? newTitle : null;
}
/* (non-Javadoc)
* @see org.eclipse.tcf.internal.terminal.control.ITerminalListener#setTerminalTitle(java.lang.String)
*/
@Override
public void setTerminalTitle(String title) {
}
}
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